InChI=1/C14H15BrN2O3S/c15-12-8-11(6-7-13(12)16)21(19,20)17-14(9-18)10-4-2-1-3-5-10/h1-8,14,17-18H,9,16H2/t14-/m0/s1 4864F70C5F2F2342